but what would twins, yes, twins mean for succession to the throne? we're going london live, straight ahead. anncr: some politicians seem to think medicare and... social security are just numbers in a budget. well, we worked hard for those benefits. we earned them. and if washington tries to cram decisions about the future... of these programs into a last minute budget deal... we'll all pay the price. aarp is fighting to protect seniors with responsible... solutions that strengthen medicare and... social security for generations to come. we can do better than a last minute deal... that would hurt all of us. >>> the latest now on the royal baby, britain's catherine, the duchess of cambridge, is spending a second day in a london hospital. she was admitted for acute morning sickness, a condition often associated with women carrying twins, which raises lots of questions about succession to the throne. max foster is joining us now live from london with details. max, what's the latest? >> reporter: we've been given the information the duchess is pregnant an